大约有 40,000 项符合查询结果（耗时：0.0734秒） [XML]
When to use ' (or quote) in Lisp?
...
The HyperSpec clhs.lisp.se/Body/s_quote.htm says behavior is undefined if the quoted object is destructively modified. It's implied that this is to allow impls to treat the values as atomic values.
– Xanthir
Nov 13 '15 ...
How do I show a Save As dialog in WPF?
...w : System.Windows.Forms.IWin32Window
{
private readonly System.IntPtr _handle;
public OldWindow(System.IntPtr handle)
{
_handle = handle;
}
System.IntPtr System.Windows.Forms.IWin32Window.Handle
{
get { return _handle; }
}
}
#endregion
Capitalize() is ...
Python timedelta in years
...
from dateutil.relativedelta import relativedelta
def yearsago(years, from_date=None):
if from_date is None:
from_date = datetime.now()
return from_date - relativedelta(years=years)
If you'd rather stick with the standard library, the answer is a little more complex::
from dateti...
Select all text inside EditText when it gets focus
...
You can also add an OnClick Method to the editText after
_editText.setSelectAllOnFocus(true);
and in that:
_editText.clearFocus();
_editText.requestFocus();
As soon as you click the editText the whole text is selected.
...
Why is reading lines from stdin much slower in C++ than Python?
...s to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically r...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
...
Whats the pros/cons to using .rspec or spec_helper.rb? @shamaoke @christoph
– Ian Vaughan
May 21 '13 at 10:31
2
...
Python 3.x rounding behavior
...l.Decimal('3.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_UP)
>>> Decimal('4')
>>> decimal.Decimal('2.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_EVEN)
>>> Decimal('2')
>>> decimal.Decimal('3.5').quantize(decimal...
ng-model for `` (with directive DEMO)
...ng it the Angular way and not the plain JS way?
– AFP_555
Mar 21 '17 at 0:40
...
Get user info via Google API
...scope - https://www.googleapis.com/auth/userinfo.profile
return youraccess_token = access_token
get https://www.googleapis.com/oauth2/v1/userinfo?alt=json&access_token=youraccess_token
you will get json:
{
"id": "xx",
"name": "xx",
"given_name": "xx",
"family_name": "xx",
"link": "xx",...
Understanding NSRunLoop
.../Conceptual/Multithreading/RunLoopManagement/RunLoopManagement.html#//apple_ref/doc/uid/10000057i-CH16-SW1
share
|
improve this answer
|
follow
|
...